标题：A Mesh-Structured Switched-Capacitor Equalizer for Lithium-Ion Battery Strings of Electric Vehicles
作者：Shang, Yunlong ;Zhang, Yun
作者机构：[Shang, Yunlong ] School of Control Science and Engineering, Shandong University, Jinan; 250061, China;[Zhang, Yun ] School of Electrical Engineering, 更多
会议名称：2018 IEEE Transportation and Electrification Conference and Expo, ITEC 2018
会议日期：13 June 2018 through 15 June 2018
来源：2018 IEEE Transportation and Electrification Conference and Expo, ITEC 2018
关键词：Electric vehicles (EVs); equalizers; lithium-ion batteries; mesh structures; switched capacitors (SCs)
摘要：A mesh-structured switched-capacitor (SC) equalizer (MSSCE) is proposed to improve the balancing speed and efficiency at any imbalanced cell voltages. The proposed MSSCE can transfer energy simultaneously among cells with more and shorter balancing paths by using less components, which offers the advantages in the balancing speed, efficiency, reliability, size, and cost. A prototype for four series-connected battery cells was set up to validate the validity of the proposed topology. Experiment results show that the proposed MSSCE can balance automatically cell voltages with a strong robustness and high balancing efficiency. © 2018 IEEE.